Though the UK is still well behind the US and Japan the direction is clear, driven by 4G/LTE on Phones and Tablets. I'm personally getting through 1.5 gig of data a month on just my iPhone, and probably the same or more on my iPad, and although I'm not exactly average I'm also not doing anything particularly data-heavy.

The global total, and Cisco's projection for five years' time, is astonishing.

Mobile users the world over came close to doubling their mobile data consumption between 2012 and 2013 as average monthly usage peaked well over 1 GB in the U.S, and several other countries, according to Cisco Systems’ new Visual Networking Index report on global mobile data trends.